CN102203447A

CN102203447A - Coupling assembly having transport lock

Info

Publication number: CN102203447A
Application number: CN2009801439155A
Authority: CN
Inventors: K·杜塞尔; V·维格; A·克里斯托费尔; I·阿格纳
Original assignee: Schaeffler Technologies AG and Co KG
Current assignee: Schaeffler Technologies AG and Co KG
Priority date: 2008-11-03
Filing date: 2009-10-12
Publication date: 2011-09-28
Anticipated expiration: 2029-10-12
Also published as: CN102203447B; WO2010060397A1; US8408374B2; DE112009002479A5; US20110209963A1; DE102009049253A1; DE112009002479B4

Abstract

The invention relates to a coupling assembly (1, 1a, 1b) having an adjusting device. In order to prevent uncontrolled adjusting of the adjusting device during transport until installation, a transport lock (2, 2a, 2b) is provided. In order to be able to further propose an installation space-neutral solution, which in particular has no negative impact on the actuating system, it is proposed to dispose grabber arms (4, 4a, 4b, 4c, 4d, 4e, 4f) for lever elements (15, 115, 116) of the coupling assembly (1, 1a, 1b) axially in the direction of the counterpressure plate (108).

Description

Clutch device with transportation holding device

Technical field

The present invention relates to a kind of clutch device, have the transportation holding device that in uninstalled state, works.

Background technique

Clutch device according to claim 1 preamble especially is installed between internal-combustion engine and the speed changer in the driving system of Motor Vehicle, wherein, configuration on speed changer is decided, and a simple single clutch that is used to make bent axle and transmission input shaft coupling or a multiple clutch can be set as having two double clutches that are used for engine moment is distributed to the friction clutch of two transmission input shafts or a transmission input shaft and a secondary driven device in clutch device.At this, at least one friction clutch has compensation adjustment device, this compensation adjustment device especially compensates the wearing and tearing of not having the friction covering of the clutch disk that is connected with affiliated transmission input shaft with relatively rotating, its mode is between the lever element of pressure strip and this pressure strip of loading the slope device to be set, the error distance that this slope device compensation produces by wearing and tearing.The adjustment process of reversing introducing by the slope device records by sensor device at this, and these sensor devices detect the stroke or the steering force of lever element.This compensation adjustment device is known by document DE 42 39 291 A1, DE 42 39 289 A1, DE 43 22 677 A1 and DE 44 31 641 A1.

For fear of this compensation adjustment device especially so-called pressing formed type friction clutch of Compensation Regulation uncontrollably---this pressing formed type friction clutch is opened and the closure by the lever tip that loads lever element by operation system under the load not having, can use the transportation holding device, this transportation holding device is fixed on lever element to avoid in the position that lever element reduces pressure fully in the axial direction.This transportation holding device for example can be made of as ring the member that is connected with the housing of clutch device regularly, and described member avoids the lever tip axially to show.Because this member must be set, the structure space that is made for the operation system use that is used in this zone is restricted.Better simply form of implementation proposes to separate or to bear the transportation holding device of spring-load, and this transportation holding device plays direct action and be no longer available after dismounting.

Summary of the invention

Therefore; task of the present invention is, provides a kind of clutch device with compensation adjustment device, wherein; in order to avoid Compensation Regulation uncontrollably, this transportation holding device can not take structure space setting with respect to operation system by means of transportation holding device protection compensation adjustment device.In addition, this transportation holding device should be remained valid under the situation that repeatedly mounts and dismounts clutch device.

This task solves by clutch device, this clutch device has at least one friction clutch, comprise at least one pressure strip, described pressure strip does not have and relatively rotates ground, but can axially limitedly be connected with housing movably, wherein, housing can be connected with the back-pressure plate and be provided with the lever element that is provided with the form that is circular layout at housing and pressure strip, these lever elements are supported on by housing carrying swingably, can follow the tracks of in the axial direction on the rolling support of wearing and tearing and in order to make friction clutch closed and can on the lever tip of its inner radial, be loaded by compensation adjustment device, wherein, the lever tip in uninstalled state, keep in the axial direction by the transportation holding device and the lever tip by on the direction of back-pressure plate, being orientated in the axial direction, act on housing in the axial direction from behind and seizure arm that be supported on the described housing at rear side keeps in the axial direction.

The lever element that is arranged on outside is tensioned on the predetermined position with respect to inner housing is set in the axial direction by the transportation holding device, this position avoid lever element to reduce pressure fully and the friction clutch of avoiding comprising lever element thus by Compensation Regulation uncontrollably, but bigger than the end position decompression degree lever tip, that operation system allowed of lever element.In this way, in the normal working of friction clutch, the lever tip does not arrive the backstop state, and on this backstop state, the lever tip is restricted in the axial direction by the transportation holding device.

If again clutch device is dismantled, then transporting holding device works again and also avoids in this state taking place uncontrolled Compensation Regulation, thus, clutch device for example can be in its state before dismounting and can be in use effectively after changing the clutch disk that friction covering may wear and tear.

The transportation holding device that has the member in the structure space that also only extends to clutch device in installment state during operation by setting, this transportation holding device can use for operation system fully in the structure space outside of clutch device.This is advantageous particularly when a plurality of for example two friction clutches are set in clutch device, and the lever element of described friction clutch is loaded by two operation systems of working apart from each other.

In an advantageous embodiments, the seizure arm can be received on the lever tip on an end and be supported on the housing at rear side by arresting hook on the free end.In order especially under the narrow situation of structure space situation, can to keep the inner circumference of housing uninterruptedly, catch arm in order to form axial stop by means of the arresting hook that acts on housing from behind preferably through in the opening that is radially spaced with inner circumference.At this, the wide structure like this of the type of opening makes arresting hook form axial stop on opening, promptly can not pass opening.

To extend beyond opening, act on the seizure arm of the arresting hook of housing from behind in order to insert to have, can on the inner circumference of housing, be arranged on the slit of widening in the radial direction that inner circumference is connected with corresponding opening, catch arm and be presented in the opening by described slit.Favourable assembly method is proposed for this reason: catch arm and on its free end, have the big face of ratio open in order to form arresting hook in a circumferential direction.After this, the seizure arm that is placed on the lever element rests on the inner circumference under radial tightening power during moving axially in location on the housing for it at lever element.Move by axially going up of lever element, at first catch arm and slip over, know and catch arm owing to less the snapping onto in the slit and after this of size of catching arm snaps onto in the opening from the next door, slit.

Be proved advantageously at this, diametrically opposed turning up the soil at interval and settle the seizure arm in the operation bearing by putting face, wherein, during assembling for example has the arm spring of lever element, inserting to catch and catching arm distortion and obtain calibration thus on the inner circumference at housing plastically at least in part during the arm, thus, described seizure arm flexibly springs in the opening with predetermined numerical value.

In another embodiment, catch arm and be configured with same type exterior feature serially, for example constitute by plate with rectangle type exterior feature, wherein, it is wide and catch the free end of the longitudinal axis of arm after inserting opening and reverse catching arm that opening complementally is matched with this type, thus, the arresting hook of this formation forms interlock with respect to opening.

In order to form the transportation holding device, a plurality of seizure arms that are distributed on the circumference can for example be riveted with described lever element on each lever element.At this, lever element adjacent one another are can have corresponding distance to each other or cut like this, makes that corresponding seizure arm can be directed to opening in the axial direction uninterruptedly always between this.

Catch arm and on it is in the end on arresting hook opposite, have the head part, catch arm and is connected with corresponding lever element by means of this head part as rivets.The head part is arranged on two sides of lever element at this.Be proved and particularly advantageously be, head partly is placed on the side that deviates from housing of lever element---and arresting hook is supported on this housing, thus, whole of head part can be supported on the lever element and the diameter of rivet head is not obvious with the seizure arm of riveted joint thus, this rivet head under the situation of housing fixing head part as the supporting surface of the seizure arm of correspondence.In this way, catching arm can be provided with radially more outerly by the opening that is used to rivet under the identical situation of the material load of lever element.

Conceive proposition according to the present invention, when the centering of arm spring on housing surmounted predetermined range of tolerable variance, the seizure arm sprang into reliably in the opening that for this reason is arranged in the housing and also is guaranteed.Regulate to catch arm to the radial distance of lever element and especially catch arm reversing with respect to lever element for this reason.At this, according to a favourable form of implementation, in the zone of head part, a locating face can be set respectively on the lever element, the described locating face in various countries is coordinated mutually in the locating face body of head part.For example can insert a centering instrument respectively between two lever elements, this centering instrument is used as public backstop for two locating faces during catching the riveted joint of arm and lever element.Self-evident, between corresponding riveted joint opening, essential tolerance play is set for this reason in lever element and rivet.

As alternative to this, the head part of catching arm can have axial rings around projection, this projection rests on during riveting on the locating face of lever element.In order to realize the location relevant with the radial tolerance of lever element, one or more centering windows can be set in arm spring, each is caught arm and locate with respect to described centering window, its mode for example be catch arm about described centering window by means of the centering instrument for example clamp be positioned at during the riveted joint definite.

Scheme is caught arm and can be received on the ring part as an alternative, and this ring part is supported on the side that deviates from housing of lever element in the axial direction.Ring part and seizure arm can particularly advantageously be configured to one, and described ring part and seizure arm can form by the plate punching out or by means of mould-forming method for this reason.In addition, this member can for example be made by means of the pressure injection method by plastics.

According to a favourable form of implementation, the transportation holding device is shifted during with lever tongue actuating friction clutch.For this reason, as mentioned above, catch the full annular part displacement that arm one by one is received on the lever element or has the seizure arm.At this, ring part is supported on the operation bearing of operation system in the axial direction or ring part is received between operation bearing and the lever tip in the axial direction.

At this, in first form of implementation, ring part can be arranged on the radially outer of operation bearing and have a plurality of tongues to the inner radial sensing that are distributed on the circumference, and these tongues are taken by the operation bearing.These tongues are observed in the time of can being arranged on the lever tip freely between the intermediate space on circumference.At this, catch arm and can be arranged on the inner circumference of ring part and be inserted in the axial direction in the opening of housing in the intermediate space between lever element.

In second form of implementation, ring part is arranged on the diameter of operation bearing and is loaded in the axial direction by this operation bearing, and wherein, ring part and lever tip contact and these lever tips are loaded when being operated the bearing loading by putting.For do not limit the lever tip, with the ring part of its coupling and the free inner diameter of housing, catch the intermediate space that arm can be arranged on the excircle of ring part and extend through lever element as mentioned above in the axial direction.

Description of drawings

Describe the present invention in detail by means of the embodiment shown in Fig. 1 to Figure 16.

Fig. 1 has the three-dimensional view of the clutch device of transportation holding device,

Fig. 2 has the details according to the clutch device of transportation holding device of the present invention,

The explanatory view of the working method of the transportation holding device of the clutch device of Fig. 3 to Fig. 6 Fig. 2 in the different operating state,

The embodiment as the alternative of clutch device shown in Fig. 2 to Fig. 6 of Fig. 7 clutch device,

The ring part of the transportation holding device of Fig. 8 Fig. 7,

The explanatory view of the working method of the transportation holding device of the clutch device of Fig. 9 to Figure 11 Fig. 7 in the different operating state,

The embodiment as the alternative of clutch device shown in Fig. 2 to Figure 11 of Figure 12 clutch device,

The ring part of the transportation holding device of Figure 13 Figure 12,

The explanatory view of the working method of the transportation holding device of the clutch device of Figure 14 to Figure 16 Figure 12 in the different operating state,

Figure 17 to Figure 19 has the detailed view with respect to the clutch device of the seizure arm of lever element location,

The details of a clutch device of Figure 20, this clutch device have the lever arm on the side that is in the housing opposite that is fixed on lever element, and

Figure 21 and 22 is arranged on the cross section of the contrast scheme of the seizure arm on the lever element on different sides.

Embodiment

Fig. 2 shows the three-dimensional view of the clutch device 101 that is the double clutch form, and this double clutch has friction clutch 102,103, clutch disk 104,105, be arranged on pressure strip 109, back-pressure dish 108 between 110, the driving plate 111 of housing shape or lid shape, the housing 112 that is connected with back-pressure plate 108 axial restraints, the tensioning mechanism 117 that is configured to cage shape or housing shape of fixedlying connected with pressure strip 110, be configured to the lever element 115 of belleville spring shape, 116, has regulating ring 120,128, sensor ring 124,131, sensor element 132 as the fastening spring that is used for sensor ring 131, compensation adjustment device and bearing device 108a as the sensor element 125 of the fastening spring that is used for sensor ring 124.In addition, show the leaf spring that tangentially is provided with and fold 150, this leaf spring is folded fixedlys connected with housing 112 with pressure strip 109 and with another circumferential ends with a circumferential ends.Leaf spring folded 150 is axially gone up so pre-tensioning, makes the relative as mentioned above lever element 115 of pressure strip 109 be loaded, and thus, regulating ring 128 clamps between lever element 115 and housing 112.Preferably be provided with three this leaf springs folded 150 that are evenly distributed on the circumference.

Also can see connection part 151 from Fig. 1, in the zone of this connection part, driving plate 111, back-pressure plate 108 and housing 112 are fixedlyed connected.In the zone of connection part 151, can see locating stud 152.In addition, can know from Fig. 1 that the tensioning mechanism 117 of housing shape has axial pin or contact pin 117a, this tensioning mechanism is fixedlyed connected with pressure strip 110 by described pin or contact pin.Can see also that from Fig. 1 pressure strip 109,110 and back-pressure dish 108 have cantilever radially on its circumference at least, these cantilevers misplace toward each other on circumference and are used to set up and required axial connection of disposing to the member of these cantilevers.

In order to guarantee during MANUFACTURER transportation clutch device 101, not produce adjusting unintentionally for the compensation adjustment device inside of two friction clutches 102,103 in configuration at least up to the assembly process that is assembled to the automaker on the motor, be provided with transportation holding device 153,154, these transportation holding devices have been shown in unlocked position in Fig. 1.Be interpreted as for unlocked position: clutch device 101 be assemblied on the driven shaft of internal-combustion engine or motor and operation for the first time preferably at least motor with carried out after speed changer is connected after transport holding device 153,154 position occupied.Although what meet purpose can be, this transportation holding device also comes release by artificial means, and particularly advantageous is that this transportation holding device guarantees release automatically.This for example can carry out based on intrinsic elasticity.Promptly transport retaining mechanism 153,154 and when assembling clutch device 101, be assemblied in the position of tensioning, thus, by operating the unloading that corresponding friction clutch can transport retaining mechanism 153,154.But so transportation retaining mechanism relaxation and discharge the compensation adjustment device of temporary transient locking thus.

Can see that from Fig. 1 the transportation retaining mechanism 153 that for example is used for friction clutch 103 constitutes by the semielliptic spring that the member 112 by the housing shape carries, this semielliptic spring has frame-like zone 155.This frame-like zone 155 can radially inwardly be swung, and exactly is by the support tongue 156 on the lever that is arranged on arm spring 116.Thus, supporting tongue 156 can the in advance tensioning earth's axis transport on the retaining mechanism 153 to being supported on, thus, for transportation, arm spring 116 can remain in the state of definite axial tensioning, but the different ring retainer shaft that this state guarantees compensation adjustment device especially is to tensioning and can not cause the Compensation Regulation of not expecting thus.

In first time during actuating friction clutch 103, arm spring 116 is swung like this, makes tongue 156 with 155 unloadings of frame-like zone, and thus, but these frame-like zone 155 radially outwards rebound and occupy the state shown in Fig. 1.The transportation holding device 1654 or the configuration that are used for friction clutch 102 also work for the compensation adjustment device of this friction clutch according to identical or similar principle.

Fig. 2 shows clutch device 101 with Fig. 1 and similarly has part according to the clutch device 1 of transportation holding device 2 of the present invention.In order to form transportation holding device 2, on the lever tip 3 of lever element 15, receive a plurality of seizure arms 4 that are distributed on the circumference, for example catch the arm riveted joint by means of rivet 5 and these.Catch arm 4 by extending through housing 12 similar housings 6 with Fig. 1 with the turn up the soil opening 7 that is provided with of inner circumference 8 spaced radials of housing 6.Opening 7 opens wide towards inner circumference 8 by means of the slit 9 of radially extending, and thus, catching arm 4 can be presented to the opening 7 from inner circumference 8.For this reason, seizure arm 4 can be configured to flexible and radially be stretched in advance on the inner circumference 8 between erecting stage.

The free end 10 that is in towards the opposite, end of lever tip 3 of catching arm 4 is provided with arresting hook 11, and this arresting hook is observed in a circumferential direction and widen and form axial stop 12 on opening 7.Catch arm 4 and can and be pressed into its net shape by the plate punching out.

Fig. 3 to Fig. 6 respectively by means of schematic semi-section in the different conditions of assembling and show the function of the transportation holding device 2 of clutch device 1 and Fig. 2 at work.Fig. 3 shows clutch device 1 during the lever element 15 that will form arm spring 13 is assembled on the housing 6.With arm spring 13 during centering on the housing 6, catch arm 4 with respect to the radially pre-tensioning of inner circumference.With respect to housing 6 on axially when mobile, arresting hook 11 snaps onto opening 7 owing to the type exterior feature portion of its extension stops at arm spring 13.As shown in Figure 4, arresting hook 11 1 is through the slit 9 shown in Fig. 2, catching arm 4 just snaps onto in the opening 7 under the situation that pretightening force is eliminated, thus, arresting hook 11 forms bite and forms axial stop thus at the rear side of housing, thus, lever element 15 remains in the pre-tensioned a little position and stops configuration to carry out uncontrolled Compensation Regulation for their compensation adjustment device thus.

Fig. 5 has illustrated clutch device 1 in the position of packing under the situation that friction clutch separates.By the operation system that the operation bearing 14 to axially mounting lever tip 3 loads, lever element 15 is loaded on direction of operating at least a little, thus, catches nose 11 and lifts from housing 6.Fig. 6 shows the jointing state of the friction clutch of clutch device 1 under the situation about at utmost being loaded in lever tip 3.Lever tip 15 in the further process of clutch work by means of the operation bearing 14 be bearing in operation system between the position shown in Fig. 5 and Fig. 6.When clutch device 1 decompression, arresting hook 11 turns back on the axial stop on the housing 6 again and stops lever element 15 lax fully, thus, clutch device 1 and thus configuration in its current working state, reduce pressure for the friction clutch of lever element 15 and be in this working state.In addition, the transportation holding device 2 when reinstalling clutch device again for the use.

Transportation holding device 2 does not have the part in the structure space of the operation system of extending into and does not take structure space with respect to operation system thus.Make progress on the direction of back-pressure plate 108 (Fig. 1) at the structure space axis---catch arm 4 and when operation, on this direction, extend, have enough spaces to use for catching arm.

Fig. 7 shows the part of the clutch device 1a that changes a little with respect to the clutch device shown in Fig. 2 to Fig. 61, this clutch device has transportation holding device 2a, this transportation holding device comprises ring part 16, in the embodiment shown, catch arm 4a is being arranged on this ring part on the circumference integratedly with distributing.Ring part 16 designs like this at its diametrically, makes this ring part be on the lever tip 3 of the lever element 15 of forming arm spring 13.Catch arm 4a axial intermediate space 17 that passes lever element 15 by the opening 7a of housing 6 on the excircle of ring part 16.

The formation and the seizure arm 4a that catch the penetrating part of arm 4a carry out in the mode as the alternative among Fig. 1 to Fig. 6 according to the use of ring part 16 with respect to the formation of the bite of housing 6, its mode is that the type exterior feature portion 18 of catching arm 4a is complementary like this and towards the cross section of the opening 7a of the inner circumference closure of housing 6, make and after its longitudinal axis reverses, form arresting hook 11 at the free end 10a that catches arm 4a, this arresting hook no longer can pass through opening 7a, therefore by housing 6 form axial stop 12 and on the other hand arresting hook 11a form bite with respect to housing, this bite is supported on the side that deviates from arm spring 13 of housing 6 in the axial direction, in the uninstalled state of clutch device 1a, under pre-tensioned a little situation, keep arm spring 13 or lever element 15, and stop compensation adjustment device to compensate adjusting uncontrollably thus.

Fig. 8 shows the details of the ring part 16 of Fig. 7.The seizure arm 4a of ring part is bending and type exterior feature portion 18 that have rectangle, and this type exterior feature portion has contraction flow region 19 in the zone of free end 10a, and this contraction flow region makes reversing simply of arresting hook 11a and can carry out on the position of determining.

Fig. 9 to Figure 11 respectively by means of schematic semi-section in different conditions finally be assemblied in drive in the system before and the function that shows the transportation holding device 2a of clutch device 1a and Fig. 7 at work.Fig. 9 gets well in manufacturing but in the also uninstalled state clutch device has been shown.The arresting hook 4a that has reversed forms bite on the axial stop 12 of housing 6, thus, the seizure arm 4a that is arranged on the ring part 16 and passes the intermediate space 17 between the lever element 15 keeps lever element 15 in the axial direction under pretightening force, its mode is that ring part 16 is supported on the lever tip 3.Figure 10 shows clutch device 1a with Figure 11 in the position that is promptly engaging under (Figure 10) in the position of promptly separating under the situation that clutch is opened and the situation in closure (Figure 11) in installment state.At this, corresponding to the view of Fig. 5 and Fig. 6, lever element 15 is loaded by operation bearing 14.Different therewith, catch arm 4a and needn't be fixed on the lever element 15, the tensioning between operation bearing 14 and lever tip 3 in the installment state of clutch device 1a of displacement ring part 16.

Figure 12 shows the flexible program that is clutch device 1b form of the 1a of clutch device shown in Fig. 7 to Figure 11, wherein, for form the transportation holding device 2b but with the variation ring part 16a.Ring part 16a designs like this at its diametrically, makes this ring part be arranged on the radially outer of lever tip 3.Therefore, catching arm 4b is arranged on the inner circumference of ring part 16a.In others, the penetrating part of opening 7a of catching the configuration of arm 4b and passing housing 6 is corresponding to the clutch device of Fig. 7 to Figure 11.Different therewith, that ring part 16a has is a plurality of, at these three tongues 20 that point to inner radial that on circumference, distribute, these tongues are basically corresponding to the inner diameter of the lever element 15 of arm spring 13 and can simulate the configuration of lever tip 3.

In the uninstalled state of clutch device 1b, lever element 15 is being held corresponding to being described under a little the pretightening force of Fig. 2 to Figure 11 of front, its mode is that ring part 16a is supported on the side that deviates from housing 6 of lever element 15 in the axial direction at this, wherein, the seizure arm 4b that is connected with ring part 16a integratedly by means of arresting hook 11a on the axial stop 12 of the side upper support that deviates from lever element 15 at this housing of housing 6.But not illustrating in the part shown in Figure 12 of clutch device 1b also is not installed to the state that drives the clutch device 1b in the system, but working state has been shown in the mounting point.

Figure 13 shows the details of the ring part 16a with the tongue 20 of catching arm 4b and radially inwardly pointing to.

Figure 14 to Figure 16 respectively by means of schematic semi-section in different conditions finally be assemblied in drive in the system before and the function that shows the transportation holding device 2b of clutch device 1b and Figure 12 at work.Can see the clutch device 1b that is in the installment state not from Figure 14.Lever element 15 and housing 6 form a distance to each other by ring part 16a and seizure arm 4b, and this distance does not allow lever element 15 to reduce pressure fully.Tongue 20 does not have function in this state.Figure 15 has illustrated clutch device 1b respectively with Figure 16 in installment state in the position of separating and engaging.At this, the tongue of observing on circumference in the intermediate space that is arranged between the lever tip 20 is loaded by lever tip 3 by operation bearing 14, thus, as shown in Figure 15, in the not operated state of friction clutch the stronger pre-tensioning by lever element 15 make arresting hook 11a lift by transportation holding device 2b from the axial stop 12 of housing.Correspondingly, under the situation that friction clutch engages, as shown in Figure 16, ring part 16a and thus arresting hook 4b further take again by tongue 20.

Embodiment shown in Figure 12 to Figure 16 has advantage: the tongue 20 that is arranged in the intermediate space of lever element 15 does not have axial requirement between operation bearing 14 and lever tip 3, save the axial arrangement space thus.

Figure 17 observes from the inboard of clutch device and shows the detailed view that similarly has the clutch device of arm spring 13 with clutch device 1.By means of 5 riveted joints of its head part 22 and rivet the arm of seizure 4c is arranged in that being mounted with of lever element 15 is for example as illustrated on the side 21 of housing 6 (Fig. 2).For especially with regard to arresting hook 11 with respect to lever element 13 and decide the position thus with respect to the angular orientation of housing 6 and opening 7 (Fig. 2) thereof and catch an arm 4c, be respectively arranged with locating

face

23,24 on the lever element 15 and on head part 22, described locating face is orientated during riveting toward each other, its mode for example is that one of processing is public by putting face, and two locating faces can rest on this by putting on the face.Self-evident, this process can synchronously side by side and under the possibility situation be undertaken by unique centering instrument for the whole seizure arm 4c that are distributed on the circumference.

Figure 18 show catch that arm 4d locate on lever element 15, for enforcement Figure 17 further solution.Head piece 22a have for this reason axial rings around projection 25, this projection rests on the locating face 23 of lever element.

Figure 19 shows another configuration with respect to the scheme as an alternative of embodiment's variation of Figure 17 and Figure 18 of the seizure arm 4e that is positioned on the lever element 15.Head part 22b has two locating

face

24a, 24b for this reason.On arm spring 13, be provided with for this reason at least one preferred a plurality of have locating face to split shed 26, catch arm or this seizure arm and unshowned other seizure arm that is distributed on the circumference is located split shed with respect to described during riveting.A public centering instrument can be set for this reason, for example be the clamp form, these clamp are orientated and insert seizure arm 4a in its opening on to split shed 26.

Figure 20 shows as the part alternative of Fig. 2 to Figure 16 and Figure 17 to Figure 19, that catch the layout of arm 4f on lever element 15 with the visual angle from visual observation arm spring 13.Head part 22c is arranged on the side 28 that deviates from housing 6 (Fig. 2) of lever element 15 at this, thus, catch arm 4f and overlap lever element 15 in the axial direction, its mode lever element 15 for example as illustrated partly is cut open or catches arm diametrically and passes between two adjacent lever elements.The pulling force that is used for axial restraint arm spring 13 of arresting hook 11 is supported on lever element 15 by head part 22c in large area at this, thus, rivet 5 all stands the pulling load that reduces in all cases, the face of its closed head can reduce, and seizure arm 4f thus if desired can be radially inwardly displaced under the identical situation of material load.Because seizure arm 4f, is drawing under the load for just, because the less lever distance of can regulate by the lever ratio that the radial distance between arresting hook 11 and the seamed edge 29 is predetermined on the seamed edge 29 of lever element 15 by means of head part 22c axially support.For this reason, Figure 21 and Figure 22 show the contrast scheme of catching the different fixing form of arm on the

side

21,28 of lever element 15.At this, the material stress that

arm

4c, 4f are caught in lever H1, the H2 influence that occurs between the axially support of arresting hook 11 and

head part

22,22c.

In Figure 21, catch arm 4c and on the side 21 of housing 6 (Fig. 2), riveting by means of rivet 5 and lever element 15.Drawing under the load of arresting hook 11, head part 22 in the axial direction in the situation lower support that lever H1 occurs on the rivet head of rivet 5.In Figure 22, catch arm 4f and on the side 28 that deviates from housing 6 (Fig. 2), rivet by means of rivet 5 with lever element 15.Drawing under the load of arresting hook 11, head part 22c is supported on the seamed edge 29 of lever element 15, thus, the lever H2 littler than the lever H1 of Figure 21 occur between head part 22c and arresting hook 11.

The reference number inventory

Claims

1. clutch device (1,1a, 1b), has at least one friction clutch (102,103), this clutch device comprises at least one pressure strip (109,110), described pressure strip does not have and relatively rotates ground, but can be axially limited movably with housing (6,112) connect, wherein, described housing (6,112) can be connected with back-pressure plate (108) and at housing (6,112) with pressure strip (109,110) be provided with the lever element (15 that is provided with the form that is circular layout between, 115,116), these lever elements are supported on swingably by described housing (6,112) carry, can follow the tracks of in the axial direction on the rolling support of wearing and tearing and by compensation adjustment device in order to make described friction clutch (102,103) closed and go up and can be loaded in the lever tip (3) of the inner radial of these lever elements, wherein, described lever tip (3) in installment state not by transporting holding device (2,2a, 2b) be held in the axial direction, it is characterized in that: described lever tip (3) is by being orientated on the direction of described back-pressure plate (108) in the axial direction, act on from behind in the axial direction described housing (6,112) and be supported on seizure arm (4 on the described housing at rear side, 4a, 4b, 4c, 4d, 4e 4f) is held in the axial direction.

2. according to the clutch device (1 of claim 1,1a 1b), is characterized in that: described seizure arm (4,4a, 4b, 4c, 4d, 4e, 4f) an end upper support or be received in that described lever tip (3) is gone up and free end (10,10a) go up by arresting hook (11,11a) be supported on the described housing (6) at rear side.

According to the clutch device of claim 1 or 2 (1,1a 1b), is characterized in that: described seizure arm (4,4a, 4b, 4c, 4d, 4e, 4f) pass described housing (6) opening (7,7a) extend, the shape exterior feature portion of described opening for described arresting hook (11,11a) formation axial stop (12).

4. according to the clutch device (1) of claim 3, it is characterized in that: described seizure arm (4,4c, 4d, 4e 4f) is presented in the described opening (7) by going up slit (9) that widening in the radial direction, that described inner circumference (8) is connected with corresponding opening (7) at the inner circumference (8) of described housing (6).

5. according to the clutch device (1) of claim 4, it is characterized in that: described seizure arm (4,4c, 4d, 4e, 4f) be configured with the arresting hook (11) of widening the extended length bigger in a circumferential direction than described opening (7), wherein, described seizure arm (4,4c, 4d, 4e 4f) makes during moving in the axial direction during described housing (6) is gone up described arresting hook (11) at first rest on described inner circumference (8) under radial tightening power to go up and described seizure arm (4) is snapped onto in the described opening (7) by described slit (9) in that described lever element (15) is assemblied in.

6. according to the clutch device (1) of claim 5, it is characterized in that: described seizure arm (4,4c, 4d, 4e calibrates and flexibly springs in the described opening (7) by described slit (9) by plastic deformation during 4f) on being assemblied in described inner circumference.

7. according to the clutch device (1a) of claim 3, it is characterized in that: described seizure arm (4a) has type exterior feature portion (18) and is respectively charged in the opening (7a) with complementary cross section, goes up by reversing described shape exterior feature portion at the free end (10a) of described seizure arm (4a) and forms described arresting hook (11a).

8. according to the clutch device (1) of one of claim 1 to 7, it is characterized in that: described seizure arm (4) is fixed on the lever element (15).

9. clutch device according to Claim 8 (1) is characterized in that: the side (28) relative with described housing (6) that described seizure arm (4f) is supported on described arm spring (13) with respect to the supporting surface of described lever element (15) goes up and described seizure arm (4f) overlaps described lever element (15) in the axial direction.

10. according to the clutch device (1) of one of claim 1 to 9, it is characterized in that: described seizure arm (4c, 4d, the head part (22 relative 4e) with described arresting hook (11), 22a 22b) is positioned with respect to described lever element (15) during described seizure arm is fixing.

11. clutch device (1) according to claim 10, it is characterized in that: in the zone of described head part (22) locating face (23) is set respectively on described lever element (15), the locating face (24) of described head part (22) is coordinated mutually with described locating face.

12. clutch device (1) according to claim 10, it is characterized in that: be respectively arranged with locating face (23) in the zone of described head part (22a) on described lever element (15), the projection (25) that goes up around setting in described head part (22a) rests on the described locating face.

13. clutch device (1) according to claim 10, it is characterized in that: described arm spring (13) is provided with at least one centering window (26), and described head part (22b) is positioned with respect to the lever element (15) that receives described seizure arm (4e) by means of the centering instrument with respect to described centering window.

14. according to the clutch device of one of claim 1 to 7 (1a 1b), is characterized in that: described seizure arm (4a, 4b) be received in ring part (16,16a) on, described ring part is supported on the described lever element (15) in the axial direction.

15. according to the clutch device of claim 14 (1a 1b), is characterized in that: ring part (16,16a) and catch arm (4a 4b) is configured to one.

16. the clutch device (1b) according to claim 14 or 15 is characterized in that: described ring part (16a) is provided with a plurality of tongues of being taken by operation bearing (14) (20) that point to inner radial that distribute on circumference.

17. the clutch device (1b) according to one of claim 14 to 16 is characterized in that: described seizure arm (4b) is arranged on the inner circumference of described ring part (16a).

18. the clutch device (1a) according to claim 14 or 15 is characterized in that: described ring part (16) is arranged on the diameter of operating bearing (14) and by described operation bearing and axially loads.

19. the clutch device (1a) according to claim 18 is characterized in that: described seizure arm (4a) is arranged on the excircle of described ring part (16).